diff options
| author | NeilBrown <neilb@suse.de> | 2015-02-25 12:02:51 +1100 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2015-04-22 08:00:42 +1000 |
| commit | a9683a795bcca6d0e7fe4c4c00e071218f3f4428 (patch) | |
| tree | b12c4448f266d843745864ab70e1874f38e423dd /drivers/md/raid5.c | |
| parent | d06f191f8ecaef4d524e765fdb455f96392fbd42 (diff) | |
| download | lwn-a9683a795bcca6d0e7fe4c4c00e071218f3f4428.tar.gz lwn-a9683a795bcca6d0e7fe4c4c00e071218f3f4428.zip | |
md/raid5: pass gfp_t arg to grow_one_stripe()
This is needed for future improvement to stripe cache management.
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'drivers/md/raid5.c')
| -rw-r--r-- | drivers/md/raid5.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index f78b1964543b..ed8e34153c3d 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -497,7 +497,7 @@ static void shrink_buffers(struct stripe_head *sh) } } -static int grow_buffers(struct stripe_head *sh) +static int grow_buffers(struct stripe_head *sh, gfp_t gfp) { int i; int num = sh->raid_conf->pool_size; @@ -505,7 +505,7 @@ static int grow_buffers(struct stripe_head *sh) for (i = 0; i < num; i++) { struct page *page; - if (!(page = alloc_page(GFP_KERNEL))) { + if (!(page = alloc_page(gfp))) { return 1; } sh->dev[i].page = page; @@ -1963,10 +1963,10 @@ static void raid_run_ops(struct stripe_head *sh, unsigned long ops_request) put_cpu(); } -static int grow_one_stripe(struct r5conf *conf, int hash) +static int grow_one_stripe(struct r5conf *conf, int hash, gfp_t gfp) { struct stripe_head *sh; - sh = kmem_cache_zalloc(conf->slab_cache, GFP_KERNEL); + sh = kmem_cache_zalloc(conf->slab_cache, gfp); if (!sh) return 0; @@ -1974,7 +1974,7 @@ static int grow_one_stripe(struct r5conf *conf, int hash) spin_lock_init(&sh->stripe_lock); - if (grow_buffers(sh)) { + if (grow_buffers(sh, gfp)) { shrink_buffers(sh); kmem_cache_free(conf->slab_cache, sh); return 0; @@ -2016,7 +2016,7 @@ static int grow_stripes(struct r5conf *conf, int num) conf->pool_size = devs; hash = conf->max_nr_stripes % NR_STRIPE_HASH_LOCKS; while (num--) { - if (!grow_one_stripe(conf, hash)) + if (!grow_one_stripe(conf, hash, GFP_KERNEL)) return 1; conf->max_nr_stripes++; hash = (hash + 1) % NR_STRIPE_HASH_LOCKS; @@ -5841,7 +5841,7 @@ raid5_set_cache_size(struct mddev *mddev, int size) return err; hash = conf->max_nr_stripes % NR_STRIPE_HASH_LOCKS; while (size > conf->max_nr_stripes) { - if (grow_one_stripe(conf, hash)) + if (grow_one_stripe(conf, hash, GFP_KERNEL)) conf->max_nr_stripes++; else break; hash = (hash + 1) % NR_STRIPE_HASH_LOCKS; |